diff --git a/package.json b/package.json
index 8ff6cfe..661ec77 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,7 @@
     "tsimp": "^2.0.11",
     "tsm": "^2.3.0",
     "tsx": "^4.15.7",
-    "typescript": "5.5",
+    "typescript": "5.9",
     "vite": "^7.0.0",
     "vitest": "^3.0.4"
   },